Home / 156,539,053.92-216,037,583.52-86,938,041.60

Finding the Fourth Proportional to 156,539,053.92, 216,037,583.52 and 86,938,041.60

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Solution

The fourth proportional to 156,539,053.92, 216,037,583.52 and 86,938,041.60 is: 119,982,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,539,053.92 : 216,037,583.52 = 86,938,041.60 : x
  2. Step 2: Convert to fraction form
    156,539,053.92/216,037,583.52 = 86,938,041.60/x
  3. Step 3: Cross multiply
    156,539,053.92x = 216,037,583.52 × 86,938,041.60
  4. Step 4: Simplify right side
    156,539,053.92x = 18,781,884,423,225,236
  5. Step 5: Solve for x
    x = 18,781,884,423,225,236/156,539,053.92
  6. Step 6: Final answer
    x = 119,982,100.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.