Home / 112,931,432.60-169,397,148.90-100,602,001.40

Finding the Fourth Proportional to 112,931,432.60, 169,397,148.90 and 100,602,001.40

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Solution

The fourth proportional to 112,931,432.60, 169,397,148.90 and 100,602,001.40 is: 150,903,002.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,931,432.60 : 169,397,148.90 = 100,602,001.40 : x
  2. Step 2: Convert to fraction form
    112,931,432.60/169,397,148.90 = 100,602,001.40/x
  3. Step 3: Cross multiply
    112,931,432.60x = 169,397,148.90 × 100,602,001.40
  4. Step 4: Simplify right side
    112,931,432.60x = 17,041,692,210,793,810
  5. Step 5: Solve for x
    x = 17,041,692,210,793,810/112,931,432.60
  6. Step 6: Final answer
    x = 150,903,002.10

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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.