Home / 145,152,001.40-217,728,002.10-58,931,713.40

Finding the Fourth Proportional to 145,152,001.40, 217,728,002.10 and 58,931,713.40

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Solution

The fourth proportional to 145,152,001.40, 217,728,002.10 and 58,931,713.40 is: 88,397,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,152,001.40 : 217,728,002.10 = 58,931,713.40 : x
  2. Step 2: Convert to fraction form
    145,152,001.40/217,728,002.10 = 58,931,713.40/x
  3. Step 3: Cross multiply
    145,152,001.40x = 217,728,002.10 × 58,931,713.40
  4. Step 4: Simplify right side
    145,152,001.40x = 12,831,084,218,911,798
  5. Step 5: Solve for x
    x = 12,831,084,218,911,798/145,152,001.40
  6. Step 6: Final answer
    x = 88,397,570.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.