Home / 145,153,963.40-217,830,477.90-64,432,862.60

Finding the Fourth Proportional to 145,153,963.40, 217,830,477.90 and 64,432,862.60

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Solution

The fourth proportional to 145,153,963.40, 217,830,477.90 and 64,432,862.60 is: 96,693,475.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,153,963.40 : 217,830,477.90 = 64,432,862.60 : x
  2. Step 2: Convert to fraction form
    145,153,963.40/217,830,477.90 = 64,432,862.60/x
  3. Step 3: Cross multiply
    145,153,963.40x = 217,830,477.90 × 64,432,862.60
  4. Step 4: Simplify right side
    145,153,963.40x = 14,035,441,252,623,038
  5. Step 5: Solve for x
    x = 14,035,441,252,623,038/145,153,963.40
  6. Step 6: Final answer
    x = 96,693,475.84

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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.